Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Interest Income
Loans	$ 72,242	$ 65,903	$ 214,808	$ 198,448
Taxable securities	7,472	8,545	22,258	21,679
Tax-exempt securities	2,920	2,624	8,972	7,913
Deposits in banks	31	61	84	105
Total interest income	82,665	77,133	246,122	228,145
Interest Expense
Deposits	756	713	2,244	2,194
Federal Home Loan Bank advances	78	80	391	309
Other borrowings	137	120	419	358
Total interest expense	971	913	3,054	2,861
Net Interest Income	81,694	76,220	243,068	225,284
Provision for loan and lease losses	2,831	980	6,242	5,019
Net interest income after provision for loan and lease losses	78,863	75,240	236,826	220,265
Noninterest Income
Service charges and other fees	15,893	14,254	46,636	40,980
Merchant services fees	2,422	2,104	6,802	6,014
Investment securities gains, net	236	33	1,300	552
Bank owned life insurance	1,086	956	3,370	2,897
Change in FDIC loss-sharing asset	(1,635)	(4,816)	(2,979)	(14,685)
Other	4,497	3,399	11,599	8,807
Total noninterest income	22,499	15,930	66,728	44,565
Noninterest Expense
Compensation and employee benefits	35,175	32,559	112,721	94,961
Occupancy	8,101	7,445	24,781	24,276
Merchant processing	1,090	1,080	3,146	3,058
Advertising and promotion	1,354	1,027	3,480	2,746
Data processing and communications	3,796	4,269	13,022	11,469
Legal and professional fees	2,173	2,905	7,527	7,377
Taxes, licenses and fees	1,344	1,156	4,003	3,387
Regulatory premiums	1,084	1,195	3,626	3,444
Net cost (benefit) of operation of other real estate owned	240	(1,256)	(1,569)	(1,207)
Amortization of intangibles	1,695	1,456	5,230	4,516
Other	8,015	8,146	23,305	21,105
Total noninterest expense	64,067	59,982	199,272	175,132
Income before income taxes	37,295	31,188	104,282	89,698
Income tax provision	11,515	9,605	32,195	27,044
Net Income	$ 25,780	$ 21,583	$ 72,087	$ 62,654
Earnings per common share
Basic ($ per share)	$ 0.45	$ 0.41	$ 1.25	$ 1.20
Diluted ($ per share)	0.45	0.41	1.25	1.18
Dividends paid per common share	$ 0.34	$ 0.28	$ 0.98	$ 0.64
Weighted average number of common shares outstanding	57,051	52,112	57,007	51,772
Weighted average number of diluted common shares outstanding	57,064	52,516	57,021	52,479